A pool heater needed to be put in requiring a utility pad be poured where some existing concrete was from the neighboring utility pad. We cut and demolished a portion of the old and placed the new throwing in some rebar in an "X" formation, corner to corner, to protect from cracking.
Turn out:
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Click this link to see more photos:
https://drive.google.com/drive/folders/1AtPyJ3E4S3YbSF_-ZYLSjPtNwcQJXCi7?usp=sharing